on the spur of the moment

意味

suddenly, without having planned beforehand

前もって計画せず、その場の思いつきで.

例文

1. 1We had no plans for Saturday, then booked a boat trip on the spur of the moment.
2. 2Did you plan that speech, or make it up on the spur of the moment?
3. 3Passing a pottery shop, I unexpectedly signed up for a class on the spur of the moment.
4. 4Nobody had suggested a picnic until lunchtime; we decided to have one on the spur of the moment.
5. 5The idea had never occurred to me before; I invited everyone home on the spur of the moment.

文法

固定した副詞句。on と2つの the は変えない。名詞の前では spur-of-the-moment とする

似た意味の表現